Sunshine Heart (NASDAQ: SSH ) surged 15.63% to $7.62 in the pre-market session. Sunshine Heart has received unconditional approval from the FDA to commence its pivotal U.S. trial for its flagship C-Pulse® Heart Assist System. Krispy Kreme Doughnuts (NYSE: KKD ) moved up 11.67% to $8.42 in the pre-market